A set of PHP scripts (to be run as services) to send Push Notifications using Apple Push Notification Service.

"Lilina is a simple but powerful news aggregator written in PHP."

Really spiffy - Richard, want to learn PHP?

"Gregarius is a web-based RSS/RDF/ATOM feed aggregator, designed to run on your web server"

Ampache is a PHP-based tool for managing, updating and playing your MP3/OGG/RM files via a web interface. It allows you to save playlists, create user accounts, and share your music catalogs with other Ampache servers.